1160155813 has 2 divisors, whose sum is σ = 1160155814. Its totient is φ = 1160155812.

The previous prime is 1160155807. The next prime is 1160155877. The reversal of 1160155813 is 3185510611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 875153889 + 285001924 = 29583^2 + 16882^2 .

It is an emirp because it is prime and its reverse (3185510611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1160155813 - 2⁹ = 1160155301 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1160155883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 580077906 + 580077907.

It is an arithmetic number, because the mean of its divisors is an integer number (580077907).

Almost surely, 2^1160155813 is an apocalyptic number.

It is an amenable number.

1160155813 is a deficient number, since it is larger than the sum of its proper divisors (1).

1160155813 is an equidigital number, since it uses as much as digits as its factorization.

1160155813 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3600, while the sum is 31.

The square root of 1160155813 is about 34061.0600686473. The cubic root of 1160155813 is about 1050.7646170640.

The spelling of 1160155813 in words is "one billion, one hundred sixty million, one hundred fifty-five thousand, eight hundred thirteen".